/* ========== Office Cards Grid ========== */
        .offices-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
            gap: var(--spacing-md);
        }
        .office-card {
            background: var(--color-white);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-sm);
            padding: var(--spacing-md) var(--spacing-lg);
            transition: box-shadow var(--transition-smooth), transform var(--transition-smooth);
            text-align: center;
        }
        .office-card:hover {
            box-shadow: 0 6px 20px var(--color-shadow-lg);
            transform: translateY(-2px);
            border-color: var(--color-accent);
        }
        .office-card__country {
            font-weight: 600;
            color: var(--color-primary-dark);
            font-size: 0.95rem;
            margin-bottom: 2px;
        }
        .office-card__city {
            font-size: 0.8rem;
            color: var(--color-gray-500);
        }
        .office-card__prefix {
            font-size: 0.7rem;
            color: var(--color-accent);
            font-weight: 600;
            letter-spacing: 0.06em;
            text-transform: uppercase;
            margin-bottom: 2px;
        }

        /* Antarctica special */
        .no-office-card {
            background: var(--color-gray-50);
            border: 1px dashed var(--color-gray-200);
            border-radius: var(--radius-sm);
            padding: var(--spacing-lg);
            text-align: center;
            color: var(--color-gray-500);
            font-style: italic;
        }




        /* ========== Responsive ========== */
        @media (max-width: 1024px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .offices-grid {
                grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
            }
        }
        @media (max-width: 768px) {
            .menu-toggle {
                display: block;
            }
            .main-nav {
                display: none;
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                background: var(--color-white);
                flex-direction: column;
                padding: var(--spacing-md);
                border-top: 1px solid var(--color-border);
                box-shadow: 0 6px 20px var(--color-shadow-lg);
            }
            .main-nav.open {
                display: flex;
            }
            .hero h1 {
                font-size: 2rem;
            }
            .offices-grid {
                grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .continent-nav {
                gap: var(--spacing-xs);
            }
            .continent-nav a {
                padding: 0.3rem 0.8rem;
                font-size: 0.75rem;
            }
        }